#局部变量全局变量
# num = 3
# def fun():
#     num = 5
#     print('函数内局部变量num的值：',num)
# fun()
# print('函数外全局变量num的值：',num)

#global关键字
# num = 5
# def fun():
#     global num
#     num += 1
#     print('函数内num的值：',num)
# fun()
# print('函数外num的值',num)

#nonlocal关键字
# def outer():
#     num = 1
#     def inner():
#         nonlocal num
#         num = 2
#         print('inner函数中num的值：',num)
#     inner()
#     print('outer函数中num的值：',num)
# outer()

#匿名函数
stu = [{'num':'201801','name':'王五','score':'89'},
       {'num':'201802','name':'刘军','score':'95'},
       {'num':'201803','name':'李梦','score':'85'},]
stu.sort(key=lambda x: x['score'])
for s in stu:
    print('学号：',s['num'],'姓名：',s['name'],'成绩：',s['score'])